Learn about one of the tests we do: Coat length L (common form)

Coat length is the defining characteristic of many dog breeds. The Afghan Hound and Shih Tzu are known for their long flowing hairstyles. Others such as the Greyhound have sleek short coats.

In some breeds it is possible for puppies to be born with either long or short hair, for instance Dachshunds and Siberian huskies. Breeders can use this test to find out the likelihood of breeding long or short haired puppies.

The L1 length gene is the most common cause of long-hair in dogs. Dogs with Akita, Samoyed or Siberian husky breeding should also use the L2 test.

Gene or region and technical reference

Gene: FGF5 (causative). Reference: Cadieu et al. (2009)

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